Finish Line Chill Zone Penetrating Lube – 17oz Aerosol. Before discarding your rusted chain or giving up on a frozen crank bolt a rusted derailleur spring or a seized seat post give Chill Zone a shot. A special refrigerant propellant freezes metal as low as -50 degrees F. This causes contraction of the metal and creates micro cracks in the rust. A penetrating release agent then breaks down and flushes out the rust. With Chill Zone most rusted parts will quickly regain full functionality. Chill Zone contains oils and rust inhibitors so re-lubricating parts is not required after use.

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